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create table t1 (
pk int primary key,
a int,
b int
);
create table t2 (
pk int primary key,
a int,
b int
);
insert into t1 values
( 1 , 0, 1),
( 2 , 0, 2),
( 3 , 1, 4),
( 4 , 1, 8),
( 5 , 2, 32),
( 6 , 2, 64),
( 7 , 2, 128),
( 8 , 2, 16);
insert into t2 values
( 1 , 0, 2),
( 2 , 0, 2),
( 3 , 1, 4),
( 4 , 1, 4),
( 5 , 2, 16),
( 6 , 2, 64),
( 7 , 2, 128),
( 8 , 2, 16);
# Test bit functions on only one partition.
select pk, a, b,
bit_or(b) over (order by pk) as bit_or,
bit_and(b) over (order by pk) as bit_and,
bit_xor(b) over (order by pk) as bit_xor
from t1;
pk	a	b	bit_or	bit_and	bit_xor
1	0	1	1	1	1
2	0	2	3	0	3
3	1	4	7	0	7
4	1	8	15	0	15
5	2	32	47	0	47
6	2	64	111	0	111
7	2	128	239	0	239
8	2	16	255	0	255
select pk, a, b,
bit_or(b) over (order by pk) as bit_or,
bit_and(b) over (order by pk) as bit_and,
bit_xor(b) over (order by pk) as bit_xor
from t2;
pk	a	b	bit_or	bit_and	bit_xor
1	0	2	2	2	2
2	0	2	2	2	0
3	1	4	6	0	4
4	1	4	6	0	0
5	2	16	22	0	16
6	2	64	86	0	80
7	2	128	214	0	208
8	2	16	214	0	192
# Test multiple partitions with bit functions.
select pk, a, b,
bit_or(b) over (partition by a order by pk) as bit_or,
bit_and(b) over (partition by a order by pk) as bit_and,
bit_xor(b) over (partition by a order by pk) as bit_xor
from t1;
pk	a	b	bit_or	bit_and	bit_xor
1	0	1	1	1	1
2	0	2	3	0	3
3	1	4	4	4	4
4	1	8	12	0	12
5	2	32	32	32	32
6	2	64	96	0	96
7	2	128	224	0	224
8	2	16	240	0	240
select pk, a, b,
bit_or(b) over (partition by a order by pk) as bit_or,
bit_and(b) over (partition by a order by pk) as bit_and,
bit_xor(b) over (partition by a order by pk) as bit_xor
from t2;
pk	a	b	bit_or	bit_and	bit_xor
1	0	2	2	2	2
2	0	2	2	2	0
3	1	4	4	4	4
4	1	4	4	4	0
5	2	16	16	16	16
6	2	64	80	0	80
7	2	128	208	0	208
8	2	16	208	0	192
# Test remove function for bit functions using a sliding window.
select pk, a, b,
bit_or(b) over (partition by a order by pk ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING) as bit_or,
bit_and(b) over (partition by a order by pk) as bit_and,
bit_xor(b) over (partition by a order by pk) as bit_xor
from t1;
pk	a	b	bit_or	bit_and	bit_xor
1	0	1	3	1	1
2	0	2	3	0	3
3	1	4	12	4	4
4	1	8	12	0	12
5	2	32	96	32	32
6	2	64	224	0	96
7	2	128	208	0	224
8	2	16	144	0	240
select pk, a, b,
bit_or(b) over (partition by a order by pk) as bit_or,
bit_and(b) over (partition by a order by pk) as bit_and,
bit_xor(b) over (partition by a order by pk) as bit_xor
from t2;
pk	a	b	bit_or	bit_and	bit_xor
1	0	2	2	2	2
2	0	2	2	2	0
3	1	4	4	4	4
4	1	4	4	4	0
5	2	16	16	16	16
6	2	64	80	0	80
7	2	128	208	0	208
8	2	16	208	0	192
drop table t1;
drop table t2;